英语词汇“pump drill”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	pump drill
释义	pump drill noun : a primitive drill in which the shaft is revolved by working up and down a bow or bar carrying a cord attached at the center to the upper end of the shaft
随便看	creasol creasote creasy creat creat- creat create create created createdness creatic creatine creatine creatine kinase creatine phosphate creatine phosphokinase creatine phosphoric acid creatinine creatinuria creation creation creational creationary creationism creationism

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